What is the CVSS score of CVE-2023-41999?

CVE-2023-41999 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2023-41999?

Yes, a public proof-of-concept exploit is available for CVE-2023-41999. Prioritise patching immediately. EPSS: 1.4%.

Udp CVE-2023-41999

CRITICAL

Improper Authentication (CWE-287)

2023-11-27 vulnreport@tenable.com

Authentication Bypass Udp Arcserve

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 27, 2023 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication.

AnalysisAI

An authentication bypass exists in Arcserve UDP prior to version 9.2. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. An authentication bypass exists in Arcserve UDP prior to version 9.2. An unauthenticated, remote attacker can obtain a valid authentication identifier that allows them to authenticate to the management console and perform tasks that require authentication. Affected products include: Arcserve Udp. Version information: version 9.2..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.